awc 中文意思是什麼
awc
解釋
澳大利亞羊毛公司-
The correlativity between theoretical value and the actual value of soil moisture content in 93. 3 percent of observational stations is distinct. all this shows that calculational methods of zndx is more reason for studing the flood or drought of northwest chine. ( 2 ) index _ z and index _ k ca n ' t objectively remark extent of drought and flood event. both ca n ' t distinguish the difference of some years which have the same precipitation and have different temperature, awc
西北地區10個代表站三種指數值的對比表明， z指數與k指數僅反映西北地區同期的降水，而zndx指數不僅反映了同期降水狀況，且與同期氣溫及前期氣候濕潤度有關。 （ 2 ）通過z 、 k與zndx指數對西北地區旱澇等級的對比研究表明， z指數與k指數對西北地區旱澇等級的確定不具有客觀性。 -
On the base of the palmer drought severity model of america and the modificated palmer drought severity model ( 1986 ), we further modificate the palmer drought severity model in the following aspects ; ? 4 stations were chosen to develope the model and adjust the weighting factor ; ? he potential evapotranspiration for an each month was computed by the penman - monteith equation commended by fao ; ( 3 ) the getting of available water capacity of the soil ( awc ) in each station was based on the data of awc that we can find and the characteristic of soil in each station
在美國帕默爾旱度模式和我國1985年修正的帕默爾旱度模式的基礎上，針對其中存在的問題，從建模選用較多站點、可能蒸散計算採用彭曼?蒙特斯公式和土壤田間有效持水量進一步準確劃分等三個方面進一步修正了帕默爾旱度模式。 -
Awc absolute worst case
絕對最壞情況
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